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某局点S12516-F chassis 2 slot 3出现parity-error告警问题

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组网及说明

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告警信息

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问题描述

网络管理人员反馈,现场有一组S12510F堆叠,其中框2 slot 3巡检发现parity-error告警,当下未影响业务。

  ====display parity-error chassis 2 slot 3==== 

Sep 09 2023 08:20:11:959547:unit 1 EGR_VLAN entry 1130 parity error

Sep 09 2023 08:20:12:64384:unit 1 EGR_VLAN entry 1130 parity error

Sep 09 2023 08:20:12:110528:unit 1 EGR_VLAN entry 1130 parity error

Sep 09 2023 08:20:12:143697:unit 1 EGR_VLAN entry 1130 parity error

Sep 09 2023 08:20:12:152090:unit 1 EGR_VLAN entry 1130 parity error

Sep 09 2023 08:20:12:156403:unit 1 EGR_VLAN entry 1130 parity error


过程分析

EGR_VLAN这个表项持续打印说明没修复,这个表项还是有风险的,建议选择窗口期重启一下这个单板临时规避,更换该板卡解决。

以前也针对EGR_VLAN表这个表模拟过party-error会导致业务受影响的:

测试结果概述:

         模拟VLAN_XLATEEGR_VLAN表的Parity,然后观察arp报文的转发情况。

         现象:出现了arp报文广播和单播都不能被转发的情况。

以下为详细操作内容:

         实验室拓扑环境:

(设备AVLAN152/0/1------------2/0/0/3、分析件设备、vlan162/0/0/1----------(设备BVLAN171/0/1

         单板位置以及版本补丁:

                   <HP>dis dev manuinfo                                                           

 Chassis 2                                                                     

Chassis self                                                                   

 DEVICE_NAME          : LS-12510-X-AC                                          

 DEVICE_SERIAL_NUMBER : 210235A0XXX149000045                                   

 MAC_ADDRESS          : 70F9-6DE9-54E2                                         

 MANUFACTURING_DATE   : 2014-09-29                                             

 VENDOR_NAME          : H3C                                                    

                                                                                                   

 Slot 0                                                                        

 DEVICE_NAME          : LSXM2TGS48EA1                                          

 DEVICE_SERIAL_NUMBER : 210231A2K8H14C000008                                   

 MAC_ADDRESS          : 586A-B159-8B5F                                         

 MANUFACTURING_DATE   : 2014-12-25                                             

 VENDOR_NAME          : H3C                                                     

 

                   <HP>dis dev                                                                    

                   Chassis  Slot Type             State    Subslot  Soft Ver             Patch Ver

                   2        0    LSX2TGS48EA1     Normal   0        12900-1005P09        P006     

                   2        1    NONE             Absent   0        NONE                 None     

                   2        2    NONE             Absent   0        NONE                 None     

                   2        3    LSX1GP48EB1      Normal   0        12900-1005P09        P006     

                   2        4    LSX1QGS12EC1     Normal   0        12900-1005P09        P006     

                   2        5    LSX1QGS12EC1     Normal   0        12900-1005P09        P006     

                   2        6    NONE             Absent   0        NONE                 None     

                   2        7    NONE             Absent   0        NONE                 None     

                   2        8    NONE             Absent   0        NONE                 None     

                   2        9    NONE             Absent   0        NONE                 None     

                   2        10   LSX1FAB10B1      Normal   0        12900-1005P09        P006     

                   2        11   NONE             Absent   0        NONE                 None     

                   2        12   NONE             Absent   0        NONE                 None     

                   2        13   NONE             Absent   0        NONE                 None     

                   2        14   NONE             Absent   0        NONE                 None     

                   2        15   NONE             Absent   0        NONE                 None     

                   2        16   NONE             Absent   0        NONE                 None     

                   2        17   LSX1SUP10A1      Master   0        12900-1005P09        P006     

                   <HP>      

       VLAN配置情况:

                   VLAN ID: 16                    

                   VLAN type: Static              

                   Route interface: Configured    

                   Description: VLAN 0016         

                   Name: VLAN 0016                

                   Tagged ports:   None           

                   Untagged ports:                

                            Ten-GigabitEthernet2/0/0/1 

                            Ten-GigabitEthernet2/0/0/2 

                            Ten-GigabitEthernet2/0/0/3 

                            Ten-GigabitEthernet2/0/0/4 

                            Ten-GigabitEthernet2/0/0/5 

                            Ten-GigabitEthernet2/0/0/10

                            Ten-GigabitEthernet2/0/0/45

                            Ten-GigabitEthernet2/0/0/46

       模拟parity-error配置过程:

                   [HP-probe]bcm c 2 s 0 c 0 g/EGR_VLAN_PARITY_CONTROL

                   EGR_VLAN_PARITY_CONTROL.epipe0[0x2280700]=0xfff: <EGR_VLAN_XLATE_PARITY_EN=1,  

                   EGR_VLAN_STG_PARITY_EN=1,EGR_VLAN_PARITY_EN=1,EGR_PRI_CNG_MAP_PARITY_EN=1,  

                   EGR_MPLS_PRI_MAPPING_PARITY_EN=1,EGR_MPLS_EXP_MAPPING_2_PARITY_EN=1,        

                   EGR_MPLS_EXP_MAPPING_1_PARITY_EN=1,EGR_IP_TUNNEL_PARITY_EN=1,               

                   EGR_GPP_ATTRIBUTES_PARITY_EN=1,EGR_GPP_ATTRIBUTES_MODBASE_PARITY_EN=1,      

                   EGR_FRAGMENT_ID_TABLE_PARITY_EN=1,EGR_DSCP_TABLE_PARITY_EN=1>               

                                                                                                                                                                                                            

                  

                   [HP-probe]bcm c 2 s 0 c 0 modreg/EGR_VLAN_PARITY_CONTROL/EGR_VLAN_PARITY_EN=0

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 g/EGR_VLAN_PARITY_CONTROL

                   EGR_VLAN_PARITY_CONTROL.epipe0[0x2280700]=0xffe: <EGR_VLAN_XLATE_PARITY_EN=1,  

                   EGR_VLAN_STG_PARITY_EN=1,EGR_VLAN_PARITY_EN=0,EGR_PRI_CNG_MAP_PARITY_EN=1,  

                   EGR_MPLS_PRI_MAPPING_PARITY_EN=1,EGR_MPLS_EXP_MAPPING_2_PARITY_EN=1,        

                   EGR_MPLS_EXP_MAPPING_1_PARITY_EN=1,EGR_IP_TUNNEL_PARITY_EN=1,               

                   EGR_GPP_ATTRIBUTES_PARITY_EN=1,EGR_GPP_ATTRIBUTES_MODBASE_PARITY_EN=1,      

                   EGR_FRAGMENT_ID_TABLE_PARITY_EN=1,EGR_DSCP_TABLE_PARITY_EN=1>               

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 d/EGR_VLAN/16

                   EGR_VLAN.epipe0[22]: <VP_GROUP_BITMAP=0,VALID=1,UT_PORT_BITMAP_W2=0,UT_PORT_BITM

                   AP_W1=0,UT_PORT_BITMAP_W0=0,UT_PORT_BITMAP=0,UT_BITMAP_W2=0,UT_BITMAP_W1=0,UT_BI

                   TMAP_W0=0,UT_BITMAP=0,STG=1,SERVICE_CTR_IDX=0,RESERVED_0=0,REMARK_DOT1P=0,REMARK

                   _CFI=0,PORT_BITMAP_W2=0,PORT_BITMAP_W1=0x10000,PORT_BITMAP_W0=0x7e000001,PORT_BI

                   TMAP=0x100007e000001,OUTER_TPID_INDEX=0,EVEN_PARITY=1,DOT1P_MAPPING_PTR=0>     

                                                                                                                                                                                                            

                  

                   [HP-probe]bcm c 2 s 0 c 0 mod/EGR_VLAN/-16/1/VP_GROUP_BITMAP=1                  //bcm c 2 s 0 c 0 mod/EGR_VLAN/-16/1/VP_GROUP_BITMAP=1

                   WARNING: index -22 out of range for memory EGR_VLAN                            

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 d/EGR_VLAN/16

                   EGR_VLAN.epipe0[22]: <VP_GROUP_BITMAP=1,VALID=1,UT_PORT_BITMAP_W2=0,UT_PORT_BITM

                   AP_W1=0,UT_PORT_BITMAP_W0=0,UT_PORT_BITMAP=0,UT_BITMAP_W2=0,UT_BITMAP_W1=0,UT_BI

                   TMAP_W0=0,UT_BITMAP=0,STG=1,SERVICE_CTR_IDX=0,RESERVED_0=0,REMARK_DOT1P=0,REMARK

                   _CFI=0,PORT_BITMAP_W2=0,PORT_BITMAP_W1=0x10000,PORT_BITMAP_W0=0x7e000001,PORT_BI

                   TMAP=0x100007e000001,OUTER_TPID_INDEX=0,EVEN_PARITY=1,DOT1P_MAPPING_PTR=0>     

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 modreg/EGR_VLAN_PARITY_CONTROL/EGR_VLAN_PARITY_EN=1

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 d/EGR_VLAN/16                                         //bcm c 2 s 0 c 0 d/EGR_VLAN/16

                                                                                                                                                                                                            

                   [HP-probe]bcm c 2 s 0 c 0 d/EGR_VLAN/16

                                                                                                                                                                                                            

                   [HP-probe]%Jun 21 06:37:58:420 2021 HP LLDP/5/LLDP_NEIGHBOR_AGE_OUT: -MDC=1-Chas

                   sis=2-Slot=0; Nearest bridge agent neighbor aged out on Port Ten-GigabitEthernet

                   2/0/0/1 (IfIndex 1561), Chassis ID is 542b-de59-a480, Port ID is Ten-GigabitEthe

                   rnet1/0/1.

       检测模拟parity-error是否配置成功:

                   [HP-probe]dis parity-error chassis 2 s 0                                        

                   Jun 21 2021 08:44:05:441499:unit 0 EGR_VLAN entry 16 parity error               

                   Jun 21 2021 08:44:07:458567:unit 0 EGR_VLAN entry 16 parity error              

                   Jun 21 2021 08:44:08:229658:unit 0 EGR_VLAN entry 16 parity error              

                   Jun 21 2021 08:44:08:229858:unit 0 EGR_VLAN entry 16 parity error              

                   Jun 21 2021 08:44:09:441641:unit 0 EGR_VLAN entry 16 parity error               

                   Jun 21 2021 08:44:11:441632:unit 0 EGR_VLAN entry 16 parity error              

                   [HP-probe]                                                                     

                   [HP-probe]dis cloa                                                             

                   [HP-probe]dis clo                                                              

                   [HP-probe]dis clock                                                            

                   08:44:41 UTC Mon 06/21/2021    

 

设备A情况:

                   [H3C]ping 2.2.2.2                                                              

                   Ping 2.2.2.2 (2.2.2.2): 56 data bytes, press CTRL+C to break                   

                   Request time out                                                                

                   Request time out                                                               

                   Request time out                                                               

                   Request time out                                                                

                   Request time out                                                               

                                                                                                                                                                                                            

                   --- Ping statistics for 2.2.2.2 ---                                            

                   5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss              

                   [H3C]%Mar  5 01:41:12:197 2011 H3C PING/6/PING_STATISTICS: Ping statistics for 2

                   .2.2.2: 5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss.     

                                                                                                                                                                                                            

                   [H3C] 

         配静态ARP后:

                            [H3C]arp static 2.2.2.2 542b-de59-a481                                         

                            [H3C]dis arp                                                                   

                            Type: S-Static   D-Dynamic   O-Openflow   R-Rule   M-Multiport  I-Invalid    

                            IP address      MAC address    VLAN/VSI   Interface                Aging Type  

                            2.2.2.2         542b-de59-a481 --         --                       --    S     

                            [H3C]ping 2.2.2.2                                                              

                            Ping 2.2.2.2 (2.2.2.2): 56 data bytes, press CTRL+C to break                   

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                                                                                                                                                                                                                     

                            --- Ping statistics for 2.2.2.2 ---                                            

                            5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss              

                            [H3C]%Mar  5 01:44:13:584 2011 H3C PING/6/PING_STATISTICS: Ping statistics for 2

                            .2.2.2: 5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss.     

                                                                                                                                                                                                                      

                            [H3C]

设备B情况:

                   [68-1]dis arp                                                                  

                   Type: S-Static   D-Dynamic   O-Openflow   R-Rule   M-Multiport  I-Invalid    

                   IP address      MAC address    VLAN/VSI   Interface/Link ID        Aging Type  

                   [68-1]ping 2.2.2.3                                                             

                   Ping 2.2.2.3 (2.2.2.3): 56 data bytes, press CTRL_C to break                   

                   Request time out                                                               

                   Request time out                                                               

                   Request time out                                                                

                   Request time out                                                               

                   Request time out                                                               

                                                                                                                                                                                                            

                   --- Ping statistics for 2.2.2.3 ---                                             

                   5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss              

                   [68-1]%Jan  3 05:37:09:562 2011 68-1 PING/6/PING_STATISTICS: -MDC=1; Ping statis

                   tics for 2.2.2.3: 5 packet(s) transmitted, 0 packet(s) received, 100.0% packet l

                   oss.                                                                           

                                                                                                                                                                                                            

                   [68-1]

         配静态ARP后:

                            [68-1]arp static 2.2.2.3 905d-7c69-e9e7                                        

                            [68-1]dis                                                                       

                            [68-1]display arp                                                              

                            Type: S-Static   D-Dynamic   O-Openflow   R-Rule   M-Multiport  I-Invalid    

                            IP address      MAC address    VLAN/VSI   Interface/Link ID        Aging Type  

                            2.2.2.3         905d-7c69-e9e7 --         --                       --    S     

                            [68-1]ping 2.2.2.3                                                             

                            Ping 2.2.2.3 (2.2.2.3): 56 data bytes, press CTRL_C to break                   

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                            Request time out                                                               

                                                                                                                                                                                                                      

                            --- Ping statistics for 2.2.2.3 ---                                            

                            5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss              

                            [68-1]%Jan  3 05:41:32:388 2011 68-1 PING/6/PING_STATISTICS: -MDC=1; Ping statis

                            tics for 2.2.2.3: 5 packet(s) transmitted, 0 packet(s) received, 100.0% packet l

                            oss.                                                                           

                                                                                                                                                                                                                      

                            [68-1]


解决方法

2 slot 3单板发生了parity-error,对应该vlan的业务转发可能会出现问题,建议更换该板卡解决。


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